group_bot/assets/voxygen/shaders/clouds-vert.glsl
2024-06-13 19:16:24 -04:00

35 lines
924 B
GLSL

#version 440 core
#include <constants.glsl>
#define LIGHTING_TYPE (LIGHTING_TYPE_TRANSMISSION | LIGHTING_TYPE_REFLECTION)
#define LIGHTING_REFLECTION_KIND LIGHTING_REFLECTION_KIND_SPECULAR
#if (FLUID_MODE == FLUID_MODE_LOW)
#define LIGHTING_TRANSPORT_MODE LIGHTING_TRANSPORT_MODE_IMPORTANCE
#elif (FLUID_MODE >= FLUID_MODE_MEDIUM)
#define LIGHTING_TRANSPORT_MODE LIGHTING_TRANSPORT_MODE_RADIANCE
#endif
#define LIGHTING_DISTRIBUTION_SCHEME LIGHTING_DISTRIBUTION_SCHEME_MICROFACET
#define LIGHTING_DISTRIBUTION LIGHTING_DISTRIBUTION_BECKMANN
#include <globals.glsl>
layout(location = 0) out vec2 uv;
void main() {
// Generate fullscreen triangle
vec2 v_pos = vec2(
float(gl_VertexIndex / 2) * 4.0 - 1.0,
float(gl_VertexIndex % 2) * 4.0 - 1.0
);
// Flip y and transform into 0.0 to 1.0 range
uv = (v_pos * vec2(1.0, -1.0) + 1.0) * 0.5;
gl_Position = vec4(v_pos, 0.0, 1.0);
}